amaranth

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Related to Amaranthus retroflexus: Amaranthus hybridus

am·a·ranth

, amaranthum (am'ă-ranth, am-ă-ran'thŭm), [C.I. 16185]
An azo dye; a soluble reddish-brown powder that turns magenta red in solution; used as a food, pharmaceutical, and cosmetic coloring agent, and occasionally in histology.
[G. amaranthon, a never-fading flower]

am·a·ranth

(am'ă-ranth)
A weed (Amaranthus) of widespread geographic distribution; some species are consumed as a foodstuff; its prolific ability to produce seed allows its use as a flour. Purported value both internally and externally (e.g., astringent).
Synonym(s): love-lies-bleeding, red cockscomb.
[G. amaranthon, a never-fading flower]
References in periodicals archive ?
2010) who found that the species Amaranthus retroflexus, Chenopodium album, Digitaria sanguinalis, Echinochloa crus-galli, Setaria viridis and Sinapis arvensis are hindered by the presence of Glomus mosseae, Glomus coronatum and Glomus intraradices mycorrhizal fungi.
One species, a pigweed called Amaranthus retroflexus, was up to 40 times more effective than others tested in removing radiocesium from soil.
Adding nitrogen from 40 to 240 ppm increased the biomass of many weed species like wild mustard, Sinapis arvensis, and redroot pigweed, Amaranthus retroflexus, more than wheat and canola.
1982) found that total phenolic content of Helianthus annuus increased with increased nutrient stress, and thus had significant inhibitory effects on seed germination of Amaranthus retroflexus.